[FFmpeg-cvslog] avfilter/zscale: fix memory leak

ffmpeg | branch: master | dxfhgwet | Fri Oct 27 21:54:13 2017 -0700| [ff763351e74550df3b9a0465634d1ec48b15b043] | committer: Paul B Mahol avfilter/zscale: fix memory leak > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ff763351e74550df3b9a0465634d1ec48b15b043 --- libavfil

[FFmpeg-cvslog] avfilter/zscale: fix segfault on library error

ffmpeg | branch: master | dxfhgwet | Sat Oct 28 10:20:22 2017 -0700| [b43d13144bdb63704dd55533b3fba9be376164ce] | committer: Paul B Mahol avfilter/zscale: fix segfault on library error > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b43d13144bdb63704dd55533b3fba9be37616